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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 157-160 |
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Barzan M, Hosseini tehrani N, Koohian mohammadabadi A. Investigation the effect of PVA on the linear and nonlinear optical properties of Acid Fusion dye solutions. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :157-160
URL: http://opsi.ir/article-1-1998-en.html
URL: http://opsi.ir/article-1-1998-en.html
1- Department of Photonics and Quantum Technologies, Institute of Nuclear Science and Technology, Tehran, Iran.
2- Physics department, university of Tehran, Tehran, Iran.
2- Physics department, university of Tehran, Tehran, Iran.
Abstract: (1834 Views)
In this paper, we investigate the effect of PVA on the linear and nonlinear optical properties of solution containing fusion acid dye. Samples were prepared in concentration of 0.1 mM. The luminescence spectra of the samples were measured by a diode laser at a wavelength of 532 nm as excitation source. The results show that presence of PVA, in addition to increasing the absorption coefficient and the luminescence intensity, leads to the redshift of the peak wavelength, the absorption and luminescence bandwidth were increased and the samples show nonlinear thermal behavior. The nonlinear refractive index and absorption coefficients of samples were obtained negative due to the self-defocusing and saturable absorption, respectively. Also, presence of PVA were enhanced the linear and nonlinear optical behaviors of the dye solution.
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